1 //===-- RegisterInfoInterface.h --------------------------------*- C++ -*-===//
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
7 //===----------------------------------------------------------------------===//
9 #ifndef lldb_RegisterInfoInterface_h
10 #define lldb_RegisterInfoInterface_h
12 #include "lldb/Utility/ArchSpec.h"
13 #include "lldb/lldb-private-types.h"
16 namespace lldb_private {
18 /// \class RegisterInfoInterface
20 /// RegisterInfo interface to patch RegisterInfo structure for archs.
21 class RegisterInfoInterface {
23 RegisterInfoInterface(const lldb_private::ArchSpec &target_arch)
24 : m_target_arch(target_arch) {}
25 virtual ~RegisterInfoInterface() {}
27 virtual size_t GetGPRSize() const = 0;
29 virtual const lldb_private::RegisterInfo *GetRegisterInfo() const = 0;
31 // Returns the number of registers including the user registers and the
32 // lldb internal registers also
33 virtual uint32_t GetRegisterCount() const = 0;
35 // Returns the number of the user registers (excluding the registers
36 // kept for lldb internal use only). Subclasses should override it if
37 // they belongs to an architecture with lldb internal registers.
38 virtual uint32_t GetUserRegisterCount() const { return GetRegisterCount(); }
40 const lldb_private::ArchSpec &GetTargetArchitecture() const {
44 virtual const lldb_private::RegisterInfo *
45 GetDynamicRegisterInfo(const char *reg_name) const {
46 const std::vector<lldb_private::RegisterInfo> *d_register_infos =
47 GetDynamicRegisterInfoP();
48 if (d_register_infos != nullptr) {
49 std::vector<lldb_private::RegisterInfo>::const_iterator pos =
50 d_register_infos->begin();
51 for (; pos < d_register_infos->end(); pos++) {
52 if (::strcmp(reg_name, pos->name) == 0)
53 return (d_register_infos->data() + (pos - d_register_infos->begin()));
59 virtual const std::vector<lldb_private::RegisterInfo> *
60 GetDynamicRegisterInfoP() const {
65 // FIXME make private.
66 lldb_private::ArchSpec m_target_arch;